Historically, sweat has been an active ingredient in perfume and love potions.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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40% of people who are rejected in romantic love slip into clinical depression.
72
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
In 2010, Gary Richmond was beaten into a coma. He woke up with amnesia and no memory of his wife of 20 years. Subsequently, he ended up falling in love with her all over again!
44
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
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